Politics

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With Air Force One in the background, President Obama speaks to supporters during a campaign event on the apron at Austin Straubel International Airport in Green Bay, Wis., on Thursday, Nov. 1, 2012. Mr. Obama resumed his presidential campaign with travel to the key battleground states of Wisconsin, Colorado, Nevada and Ohio today. (AP Photo/Pablo Martinez Monsivais)

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President Obama gestures while speaking at a campaign event at Austin Straubel International Airport in Green Bay, Wis., on Thursday, Nov. 1, 2012. Mr. Obama resumed his presidential campaign with travel to the key battleground states of Wisconsin, Colorado, Nevada and Ohio today. (AP Photo/Pablo Martinez Monsivais)

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President Obama waves to supporters upon his arrival in Green Bay, Wis., on Thursday, Nov. 1, 2012, for a quick campaign stop before heading to Las Vegas. (AP Photo/Tom Lynn)

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President Obama waves to supporters during a campaign event at Austin Straubel International Airport in Green Bay, Wis., on Thursday, Nov. 1, 2012. Mr. Obama resumed his presidential campaign with travel to the key battleground states of Wisconsin, Colorado, Nevada and Ohio today. (AP Photo/Pablo Martinez Monsivais)

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President Obama stops to greet a small child in a dragon costume during a campaign event at Austin Straubel International Airport in Green Bay, Wis., on Thursday, Nov. 1, 2012. Mr. Obama resumed his presidential campaign with travel to the key battleground states of Wisconsin, Colorado, Nevada and Ohio today. (AP Photo/Pablo Martinez Monsivais)

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President Obama is handed a personal check made out to the American Red Cross from an unknown supporter during a campaign event at Austin Straubel International Airport in Green Bay, Wis., on Thursday, Nov. 1, 2012. Mr. Obama resumed his presidential campaign with travel to the key battleground states of Wisconsin, Colorado, Nevada and Ohio today. (AP Photo/Pablo Martinez Monsivais)

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Justice Department Inspector General Michael E. Horowitz goes before the House Oversight and Government Reform Committee a day after he faulted the department for disregard of public safety in "Operation Fast and Furious," the Bureau of Alcohol, Tobacco, Firearms and Explosives' program that allowed hundreds of guns to reach Mexican drug gangs, on Capitol Hill in Washington, Thursday, Sept. 20, 2012. (AP Photo/J. Scott Applewhite) ** FILE **

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Justice Department Inspector General Michael E. Horowitz. (Associated Press) ** FILE **

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Police officers chant anti-government slogans during a protest in central Athens on Thursday, Nov. 1, 2012. More than a thousand protesting officers from the police, coast guard and fire department joined a rally in Athens to demonstrate against government cuts, in the latest protest ahead of a planned two-day general strike next week. (AP Photo/Thanassis Stavrakis)

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A Greek police officer stands in front of a banner during a protest in central Athens on Thursday, Nov. 1, 2012. More than a thousand protesting officers from the police, coast guard and fire department joined a rally in Athens to demonstrate against government cuts, in the latest protest ahead of a planned two-day general strike next week. (AP Photo/Thanassis Stavrakis)

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Journalists march in central Athens during a protest, Wednesday, Oct. 31 2012. The banner reads "Don't Ax Human Dignity". Greece's two main labor unions covering civil servants and the private sector have called a 48-hour strike to protest austerity measures due to be voted on next week. The strike call came as the finance minister submitted an amended 2013 budget that raised the country's debt and deficit forecasts for next year. (AP Photo/Kostas Tsironis)

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Protesters stand in front of a banner reading "Workers United never Defeated" during an anti-austerity protest by Greek labor unions in Athens, on Wednesday Oct. 31 2012. Greece's government on Wednesday outlined the new austerity measures it intends to take over the next two years, a series of painful spending cuts and tax hikes that its international bailout creditors are demanding in exchange for rescue loans. (AP Photo/Kostas Tsironis)

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Greece's Prime Minister Antonis Samaras, right, speaks with Greece's Finance Minister Yannis Stournaras during a vote on a privatization bill at the Greek parliament in Athens, Wednesday, Oct. 31, 2012. Greek lawmakers are to vote Wednesday on a privatization bill that will be the first major test for the country's troubled governing coalition, while journalists have walked off the job at the start of rolling 24-hour strikes to protest austerity plans that will affect their healthcare funds. (AP Photo/Thanassis Stavrakis)

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Supporter Annie Lin, from Salem, Va., center, wearing plastic Romney lawn signs, cheers Republican presidential candidate, former Massachusetts Gov. Mitt Romney while he speaks at a campaign event at Integrity Windows in Roanoke, Va., Thursday, Nov. 1, 2012. (AP Photo/Charles Dharapak)